  PRIMARY_SPECIES
    A(aq)
    B(aq)
    C(aq)
  /
  IMMOBILE_SPECIES
    D(im)
  /
  IMMOBILE_DECAY_REACTION
    SPECIES_NAME D(im)
    RATE_CONSTANT 1.d-9
  /
  DATABASE ../../../database/hanford.dat
  LOG_FORMULATION
  ACTIVITY_COEFFICIENTS OFF
  OUTPUT
    ALL
    TOTAL
  /
